<?php

function test_preg_match()
{
	preg_match('/(\d{1,2}):(\d{2})/', '12:33', $mts);
	print_r($mts);
}

//test_preg_match();


function test_sprintf()
{
	$s = sprintf("%u:%u-%u:%u", 11, 22, 33, 44, 55);
	echo $s;
}

test_sprintf();